The following three independent random samples are obtained from three normally distributed populations with equal variance. The dependent variable is starting hourly wage, and the groups are the types of position (internship, co-op, work study). We are testing the claim that the starting salaries for new college graduate are different depending on the positions at α=0.05α=0.05 given the following dataGroup 1: InternshipGroup 2: Co-opGroup 3: Work Study14131515.25101212.25119.51312.5121312.59131012.7514.251211.512.2511.511.7511.2513.7511.7514.51513.5 Your friend Adrianna helped you with the null and alternative hypotheses...H0: μ1=μ2=μ3H0: μ1=μ2=μ3H1:H1: At least one of the mean is different from the others.The test-statistic for this data = (Please show your answer to 3 decimal places.) The p-value for this sample = (Please show your answer to 4 decimal places.)

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Description: The following three independent random samples are obtained from three normally distributed populations with equal variance. The dependent variable is starting hourly wage, and the groups are the types of position (internship, co-op, work study). We

Answered: The test-statistic for this data =…

MATLAB: An Introduction with Applications

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ISBN:9781119256830

Author:Amos Gilat

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The following three independent random samples are obtained from three normally distributed populations with equal variance. The dependent variable is starting hourly wage, and the groups are the types of position (internship, co-op, work study). We are testing the claim that the starting salaries for new college graduate are different depending on the positions at α=0.05α=0.05 given the following data

Group 1: Internship	Group 2: Co-op	Group 3: Work Study
14	13	15
15.25	10	12
12.25	11	9.5
13	12.5	12
13	12.5	9
13	10	12.75
14.25	12	11.5
12.25	11.5	11.75
11.25	13.75	11.75
14.5	15	13.5

Your friend Adrianna helped you with the null and alternative hypotheses...
H0: μ1=μ2=μ3H0: μ1=μ2=μ3
H1:H1: At least one of the mean is different from the others.
The test-statistic for this data = (Please show your answer to 3 decimal places.)

The p-value for this sample = (Please show your answer to 4 decimal places.)

Features Features Normal distribution is characterized by two parameters, mean (µ) and standard deviation (σ). When graphed, the mean represents the center of the bell curve and the graph is perfectly symmetric about the center. The mean, median, and mode are all equal for a normal distribution. The standard deviation measures the data's spread from the center. The higher the standard deviation, the more the data is spread out and the flatter the bell curve looks. Variance is another commonly used measure of the spread of the distribution and is equal to the square of the standard deviation.

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